You Are Designing a Data Center Security Architecture

You are designing a data center security architecture. The design requires automated scaling of security services according to real-time traffic flows. Which two design components will accomplish this task? (Choose two.)

A) telemetry with an SDN controller
B) JFlow traffic monitoring with event scripts
C) VNF security devices deployed on x86 servers
D) VRF segmentation on high-capacity physical security appliances